001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.util;
018    
019    import java.util.UUID;
020    
021    /**
022     * Generator for Globally unique Strings.
023     */
024    public class UuidGenerator {
025    
026        private static UuidGenerator instance = new UuidGenerator();
027        
028        UuidGenerator() {
029        }
030    
031        /**
032         * Returns a UUID generator. The instance returned by this method makes use
033         * of {@link java.util.UUID#randomUUID()} for generating UUIDs. Other
034         * generation strategies are currently not supported (but maybe added in
035         * future versions).
036         * 
037         * @return a UUID generator singleton.
038         */
039        public static UuidGenerator get() {
040            return instance;
041        }
042    
043        /**
044         * Generates a UUID string representation.  
045         * 
046         * @return a UUID string.
047         */
048        public String generateUuid() {
049            return UUID.randomUUID().toString();
050        }
051        
052    }